Crosswords
Across
- 3. – Hormone responsible for fight-or-flight
- 5. -Electric component with a movable iron core – Solenoid
- 7. – Protein that speeds reactions
- 9. – A material weakly attracted to magnets
- 11. – Process of plants making food
- 12. – Quantity measured in joules
Down
- 1. Cells that help in blood clotting
- 2. – Type of electrical signal with fixed amplitude
- 4. – Material with zero electrical resistance at low temperatures
- 6. – Muscle separating chest and abdomen
- 8. – Vitamin produced when skin is exposed to sunlight
- 10. – Protein that fights pathogens